Triangles close triangleA polygon with three straight sides. have three sides, therefore they have three angles. Interior angles in a triangle sum to a half turn (180˚). Quadrilaterals close ...

Do you think there’s a triangle whose angles measure 41, 76 and 63 degrees? At first, answering this may seem easy. From geometry class we know that the sum of the measures of the interior angles of a ...

8. In the following figure, find the value of x. An exterior angle of a triangle is greater than either of its interior opposite angles. Students must go through the latest CBSE Syllabus for Class ...